arm: Use generic idle loop
Use the generic idle loop and replace enable/disable_hlt with the
respective core functions.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Tested-by: Kevin Hilman <khilman@linaro.org> # OMAP
Link: http://lkml.kernel.org/r/20130321215233.826238797@linutronix.de
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index a202a47..e512253 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -138,6 +138,7 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
+#include <linux/cpu.h>
#include <asm/system_misc.h>
@@ -2157,7 +2158,7 @@
if (soc_ops.enable_module)
soc_ops.enable_module(oh);
if (oh->flags & HWMOD_BLOCK_WFI)
- disable_hlt();
+ cpu_idle_poll_ctrl(true);
if (soc_ops.update_context_lost)
soc_ops.update_context_lost(oh);
@@ -2221,7 +2222,7 @@
_del_initiator_dep(oh, mpu_oh);
if (oh->flags & HWMOD_BLOCK_WFI)
- enable_hlt();
+ cpu_idle_poll_ctrl(false);
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
@@ -2331,7 +2332,7 @@
_del_initiator_dep(oh, mpu_oh);
/* XXX what about the other system initiators here? dma, dsp */
if (oh->flags & HWMOD_BLOCK_WFI)
- enable_hlt();
+ cpu_idle_poll_ctrl(false);
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
_disable_clocks(oh);
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 673a4c1..dec5533 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -218,7 +218,7 @@
static int omap_pm_begin(suspend_state_t state)
{
- disable_hlt();
+ cpu_idle_poll_ctrl(true);
if (cpu_is_omap34xx())
omap_prcm_irq_prepare();
return 0;
@@ -226,8 +226,7 @@
static void omap_pm_end(void)
{
- enable_hlt();
- return;
+ cpu_idle_poll_ctrl(false);
}
static void omap_pm_finish(void)